Colour

#28244F

#28244F
Blue
Dark
Nearest: Dark slateblue

#28244F is a blue with RGB values 40, 36, 79 and HSL 246°, 37%, 23%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#28244F#28244F

HEX#28244F

RGBrgb(40, 36, 79)

RGB (0–1)0.1569, 0.1412, 0.3098

RGB percentages15.7%, 14.1%, 31%

HSLhsl(245.6, 37.4%, 22.5%)

HSV / HSBhsv(245.6, 54.4%, 31%)

CMYK49.4%, 54.4%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,630,735

CSS custom property--colour: #28244F;

Brightness & contrast

Relative luminance0.02277WCAG 2.x, 0 is black and 1 is white

Perceived brightness44.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.43:1

Contrast with white14.43:1WCAG normal text: AAA

Contrast with black1.46:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#D7DBB0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#112B51no red cones; affects about 1% of men; ΔE 9.6 from the original

Deuteranopia#10284Eno green cones; the most common form, about 1% of men; ΔE 8.9 from the original

Tritanopia#1C2D35no blue cones; rare, and affects men and women equally; ΔE 26.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.43:1WCAG large text: AAA

Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.1 Midnight blue · ΔE 29.1 Black · ΔE 34.3 Dark slate grey · ΔE 37.5 Rebecca purple · ΔE 38.6 Dim grey · ΔE 40.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.1, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#4B4F24

Analogous#24364F, #3D244F

Triadic#4F2824, #244F28

Split complementary#4F3D24, #364F24

Tetradic#4F2436, #4B4F24, #244F3D

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#827CC3

Lighter +30%#6159B3

Lighter +20%#4B4495

Lighter +10%#3A3472

Darker −10%#16142C

Darker −20%#050409

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1C165D

Less saturated −25%#343241

Channel breakdown

R40

G36

B79

Red40 (15.7%)

Green36 (14.1%)

Blue79 (31%)

Hue245.58°

Saturation (HSL)37.39%

Lightness22.55%

Dominant channelBlue

Hex per channelR 28 · G 24 · B 4F

Keep nerding

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#28244F

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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